
public class StudentClass 
{
	private int age;
	private int score;
	
	public StudentClass() 
	{
		
	}
	
	public int getAge() 
	{
		return age;
	}
	public void setAge(int age) 
	{
		this.age = age;
	}
	
	public int getScore() 
	{
		return score;
	}
	public void setScore(int score) 
	{
		this.score = score;
	}
	
	public double getRate()
	{
		return (age*1.0/score*1.0);
	}
	
}
